FR2286529A1 - OVERCURRENT PROTECTION DELAY RELAY - Google Patents

OVERCURRENT PROTECTION DELAY RELAY

Info

Publication number
FR2286529A1
FR2286529A1 FR7527687A FR7527687A FR2286529A1 FR 2286529 A1 FR2286529 A1 FR 2286529A1 FR 7527687 A FR7527687 A FR 7527687A FR 7527687 A FR7527687 A FR 7527687A FR 2286529 A1 FR2286529 A1 FR 2286529A1
Authority
FR
France
Prior art keywords
overcurrent protection
delay relay
protection delay
relay
overcurrent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR7527687A
Other languages
French (fr)
Inventor
Daniel James Graham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of FR2286529A1 publication Critical patent/FR2286529A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
FR7527687A 1974-09-10 1975-09-10 OVERCURRENT PROTECTION DELAY RELAY Withdrawn FR2286529A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/504,785 US3968410A (en) 1974-09-10 1974-09-10 Static overcurrent relays

Publications (1)

Publication Number Publication Date
FR2286529A1 true FR2286529A1 (en) 1976-04-23

Family

ID=24007727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7527687A Withdrawn FR2286529A1 (en) 1974-09-10 1975-09-10 OVERCURRENT PROTECTION DELAY RELAY

Country Status (7)

Country Link
US (1) US3968410A (en)
BR (1) BR7505841A (en)
CA (1) CA1059609A (en)
DE (1) DE2539727A1 (en)
ES (1) ES440778A1 (en)
FR (1) FR2286529A1 (en)
SE (1) SE406395B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458925A1 (en) * 1979-06-06 1981-01-02 Merlin Gerin Release circuit for overload protection switch - has instantaneous and delayed release achieved using comparators and AND=gates
FR2468238A1 (en) * 1979-10-16 1981-04-30 Telemecanique Electrique Phase loss or overvoltage protector for motor - has signal fed to comparator via Zener network and driving cut=off relay in motor supply
FR2504750A1 (en) * 1981-04-27 1982-10-29 Westinghouse Electric Corp SEMICONDUCTOR LOAD PROTECTION DEVICE WITH A REVERSE TIME DELAY CIRCUIT

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346424A (en) * 1980-02-22 1982-08-24 Eaton Corporation Electronic remote control D.C. power controller and circuit breaker
US4597025A (en) * 1980-07-10 1986-06-24 Eaton Corporation Minimum size, integral, A.C. overload current sensing, remote power controller
US4642724A (en) * 1982-06-22 1987-02-10 S&C Electric Company Trip signal generator for a circuit interrupter
US4513342A (en) * 1983-01-31 1985-04-23 General Electric Company Current-squared-time (i2 t) protection system
US6671144B1 (en) 2000-06-26 2003-12-30 Premier Aviation, Inc. Method and apparatus for detecting ground faults and for isolating power supply from the ground faults
CA2414273C (en) * 2000-06-26 2012-04-10 Premier Aviation, Inc. Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
US20090257156A1 (en) * 2008-04-15 2009-10-15 General Electric Company Method of setting a ground fault trip function for a trip unit and a trip unit having a defined trip function for ground fault protection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252007A (en) * 1963-10-03 1966-05-17 Bell Telephone Labor Inc Stabilized non-linear feedback amplifier
US3550020A (en) * 1967-10-17 1970-12-22 Westinghouse Electric Corp Function generator
US3531689A (en) * 1968-06-10 1970-09-29 Forney Eng Co Solid state overcurrent relay
US3628160A (en) * 1969-12-22 1971-12-14 Dana Lab Inc Converter system
US3697813A (en) * 1971-03-15 1972-10-10 Westinghouse Electric Corp Tripping circuit for static switches
US3849706A (en) * 1973-10-04 1974-11-19 Westinghouse Electric Corp Logarithmic computing circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458925A1 (en) * 1979-06-06 1981-01-02 Merlin Gerin Release circuit for overload protection switch - has instantaneous and delayed release achieved using comparators and AND=gates
FR2468238A1 (en) * 1979-10-16 1981-04-30 Telemecanique Electrique Phase loss or overvoltage protector for motor - has signal fed to comparator via Zener network and driving cut=off relay in motor supply
FR2504750A1 (en) * 1981-04-27 1982-10-29 Westinghouse Electric Corp SEMICONDUCTOR LOAD PROTECTION DEVICE WITH A REVERSE TIME DELAY CIRCUIT

Also Published As

Publication number Publication date
SE7510031L (en) 1976-03-11
SE406395B (en) 1979-02-05
DE2539727A1 (en) 1976-03-18
CA1059609A (en) 1979-07-31
BR7505841A (en) 1976-08-03
ES440778A1 (en) 1977-04-01
US3968410A (en) 1976-07-06

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Legal Events

Date Code Title Description
ST Notification of lapse